18789156

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7351}}^1$

素因数の和:7432

約数の個数: 36

約数和(自身を含む): 48170304

約数和(自身を除く): 29381148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7351, 14702, 22053, 29404, 44106, 66159, 88212, 132318, 264636, 521921, 1043842, 1565763, 2087684, 3131526, 4697289, 6263052, 9394578, 18789156]

約数ペア:

[(1, 18789156), (2, 9394578), (3, 6263052), (4, 4697289), (6, 3131526), (9, 2087684), (12, 1565763), (18, 1043842), (36, 521921), (71, 264636), (142, 132318), (213, 88212), (284, 66159), (426, 44106), (639, 29404), (852, 22053), (1278, 14702), (2556, 7351)]